<!DOCTYPE html>
<html>


<p> </p>
<button id = "Button1">Increase Z</button>
<button id = "Button2">Decrease Z</button>
<button id = "Button3">Increase R</button>
<button id = "Button4">Decrease R</button>

<p> </p>
<button id = "Button5">Increase theta</button>
<button id = "Button6">Decrease theta</button>
<button id = "Button7">Increase phi</button>
<button id = "Button8">Decrease phi</button>
<p> </p>
<button id = "Button9">Wider</button>
<button id = "Button10">Narrower</button>
<button id = "Button11">Higher</button>
<button id = "Button12">Shorter</button>


<p> </p>
<script id="vertex-shader" type="x-shader/x-vertex">

attribute  vec4 vPosition;

uniform mat4 modelViewMatrix;
uniform mat4 projectionMatrix;

void main() 
{
    gl_Position = projectionMatrix*modelViewMatrix*vPosition;
} 
</script>

<script id="fragment-shader" type="x-shader/x-fragment">

precision mediump float;



//uniform vec4 fColor;

void
main()
{
    gl_FragColor = vec4(0.0, 00, 0.0, 1.0);
}
</script>

<script type="text/javascript" src="../Common/webgl-utils.js"></script>
<script type="text/javascript" src="../Common/initShaders.js"></script>
<script type="text/javascript" src="../Common/MV.js"></script>
<script type="text/javascript" src="hata.js"></script>

<body>


<canvas id="gl-canvas" width="512" height="512">
Oops ... your browser doesn't support the HTML5 canvas element
</canvas>



</body>
</html>
